American Crow vs Taiwan Blue Magpie
Corvus brachyrhynchos so với Urocissa caerulea
Side-by-Side Comparison
| Thuộc Tính | American Crow | Taiwan Blue Magpie |
|---|---|---|
| Tên Khoa Học | Corvus brachyrhynchos | Urocissa caerulea |
| Bộ | Passeriformes | Passeriformes |
| Họ | Corvidae | Corvidae |
| Tình Trạng Bảo Tồn | Least Concern | Least Concern |
| Chiều Dài | 45,0 cm (17.7 in) | — |
| Chiều Dài Sải Cánh | 99,0 cm (39.0 in) | 39,8 cm (15.7 in) |
| Khối Lượng | 450,0 g (15.87 oz) | 257,0 g (9.07 oz) |
| Chế Độ Ăn | Highly omnivorous — insects, earthworms, seeds, fruit, eggs, nestlings, carrion, and human food waste. Among … | -- |
| Số Trứng | 3-7 | 5-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Môi Trường Sống Chung
American Crow only
Taiwan Blue Magpie only
Không
American Crow
Extremely adaptable — found in farmland, open woodland, suburban neighborhoods, parking lots, and urban parks.
Song & Call Comparison
American Crow
Classic 'caw-caw-caw' repeated in series. Family groups use distinct dialects. Also gives rattling, knocking, and a short 'cah' flight call. Highly social and vocal.
Taiwan Blue Magpie
Geographic Range & Migration
American Crow
North America from southern Canada through the United States to northern Mexico.
Taiwan Blue Magpie
Tình Trạng Bảo Tồn
American Crow
Taiwan Blue Magpie
How to Tell Them Apart
American Crow
All black with a slight glossy sheen. Squared-off tail and smooth throat distinguish it from the common raven.
Straight, sturdy black bill smaller than a raven's
Taiwan Blue Magpie
About These Birds
American Crow
The American crow is one of North America's most familiar and intelligent birds. Research has shown they can recognize individual human faces and communicate perceived threats to other crows. They form large winter roosts of up to hundreds of thousands of individuals in some cities.